1 files changed, 53 insertions, 0 deletions
diff --git a/cc/scoped_resource.cc b/cc/scoped_resource.cc
new file mode 100644
index 0000000..5729718
--- /dev/null
+++ b/cc/scoped_resource.cc
@@ -0,0 +1,53 @@
+// Copyright 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "config.h"
+
+#include "cc/scoped_resource.h"
+
+namespace cc {
+
+ScopedResource::ScopedResource(ResourceProvider* resourceProvider)
+    : m_resourceProvider(resourceProvider)
+{
+    DCHECK(m_resourceProvider);
+}
+
+ScopedResource::~ScopedResource()
+{
+    free();
+}
+
+bool ScopedResource::allocate(int pool, const gfx::Size& size, GLenum format, ResourceProvider::TextureUsageHint hint)
+{
+    DCHECK(!id());
+    DCHECK(!size.IsEmpty());
+
+    setDimensions(size, format);
+    setId(m_resourceProvider->createResource(pool, size, format, hint));
+
+#ifndef NDEBUG
+    m_allocateThreadIdentifier = base::PlatformThread::CurrentId();
+#endif
+
+    return id();
+}
+
+void ScopedResource::free()
+{
+    if (id()) {
+#ifndef NDEBUG
+        DCHECK(m_allocateThreadIdentifier == base::PlatformThread::CurrentId());
+#endif
+        m_resourceProvider->deleteResource(id());
+    }
+    setId(0);
+}
+
+void ScopedResource::leak()
+{
+    setId(0);
+}
+
+}  // namespace cc